1 | // |
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2 | // ******************************************************************** |
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3 | // * License and Disclaimer * |
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4 | // * * |
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5 | // * The Geant4 software is copyright of the Copyright Holders of * |
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6 | // * the Geant4 Collaboration. It is provided under the terms and * |
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7 | // * conditions of the Geant4 Software License, included in the file * |
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8 | // * LICENSE and available at http://cern.ch/geant4/license . These * |
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9 | // * include a list of copyright holders. * |
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10 | // * * |
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11 | // * Neither the authors of this software system, nor their employing * |
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12 | // * institutes,nor the agencies providing financial support for this * |
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13 | // * work make any representation or warranty, express or implied, * |
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14 | // * regarding this software system or assume any liability for its * |
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15 | // * use. Please see the license in the file LICENSE and URL above * |
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16 | // * for the full disclaimer and the limitation of liability. * |
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17 | // * * |
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18 | // * This code implementation is the result of the scientific and * |
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19 | // * technical work of the GEANT4 collaboration. * |
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20 | // * By using, copying, modifying or distributing the software (or * |
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21 | // * any work based on the software) you agree to acknowledge its * |
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22 | // * use in resulting scientific publications, and indicate your * |
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23 | // * acceptance of all terms of the Geant4 Software license. * |
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24 | // ******************************************************************** |
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25 | // |
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26 | // |
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27 | // Unit test for coherent elastic models |
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28 | // |
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29 | // 18.05.07 V. Grichine |
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30 | // |
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31 | // |
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32 | |
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33 | #include "G4ios.hh" |
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34 | #include <fstream> |
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35 | #include <cmath> |
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36 | #include "globals.hh" |
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37 | #include "Randomize.hh" |
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38 | #include "G4UnitsTable.hh" |
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39 | #include <iomanip> |
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40 | #include <complex> |
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41 | |
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42 | |
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43 | #include "G4Element.hh" |
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44 | #include "G4NistManager.hh" |
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45 | |
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46 | |
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47 | #include "G4ParticleDefinition.hh" |
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48 | #include "G4PionPlus.hh" |
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49 | #include "G4PionMinus.hh" |
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50 | #include "G4MuonPlus.hh" |
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51 | #include "G4MuonMinus.hh" |
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52 | #include "G4Proton.hh" |
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53 | #include "G4Electron.hh" |
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54 | #include "G4Gamma.hh" |
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55 | |
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56 | #include "G4DynamicParticle.hh" |
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57 | #include "G4ParticleMomentum.hh" |
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58 | |
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59 | #include "G4VEmModel.hh" |
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60 | #include "G4KleinNishinaCompton.hh" |
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61 | #include "G4HeatedKleinNishinaCompton.hh" |
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62 | #include "G4PEEffectModel.hh" |
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63 | |
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64 | |
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65 | using namespace std; |
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66 | |
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67 | |
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68 | |
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69 | int main() |
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70 | { |
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71 | |
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72 | G4int i, j, k, iMax; |
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73 | G4double x; |
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74 | G4double expXrad=0., g4Xrad; |
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75 | |
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76 | std::ofstream writef("angle.dat", std::ios::out ) ; |
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77 | writef.setf( std::ios::scientific, std::ios::floatfield ); |
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78 | |
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79 | |
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80 | G4Element* theElement; |
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81 | G4Material* theMaterial; |
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82 | G4NistManager* man = G4NistManager::Instance(); |
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83 | man->SetVerbose(1); |
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84 | |
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85 | G4cout << " 1 hydrogen" << G4endl; |
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86 | G4cout << " 2 helium" << G4endl; |
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87 | G4cout << " 4 berillium" << G4endl; |
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88 | G4cout << " 6 carbon" << G4endl; |
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89 | G4cout << " 7 nitrogen" << G4endl; |
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90 | G4cout << " 8 oxigen" << G4endl; |
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91 | G4cout << "13 aluminium" << G4endl; |
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92 | G4cout << "14 silicon" << G4endl; |
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93 | G4cout << "18 argon" << G4endl; |
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94 | G4cout << "26 iron" << G4endl; |
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95 | G4cout << "29 copper" << G4endl; |
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96 | G4cout << "48 cadmium" << G4endl; |
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97 | G4cout << "54 xenon" << G4endl; |
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98 | G4cout << "74 tugnsten" << G4endl; |
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99 | G4cout << "77 iridium" << G4endl; |
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100 | G4cout << "82 lead" << G4endl; |
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101 | G4cout << "92 uranium" << G4endl; |
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102 | G4int choice; |
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103 | // G4cin >> choice; |
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104 | choice = 54; |
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105 | |
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106 | |
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107 | switch (choice) |
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108 | { |
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109 | case 1: |
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110 | |
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111 | theElement = man->FindOrBuildElement("H"); |
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112 | theMaterial = man->FindOrBuildMaterial("G4_H"); |
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113 | g4Xrad = theMaterial->GetRadlen(); |
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114 | break; |
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115 | |
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116 | case 2: |
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117 | |
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118 | theElement = man->FindOrBuildElement("He"); |
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119 | theMaterial = man->FindOrBuildMaterial("G4_He"); |
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120 | g4Xrad = theMaterial->GetRadlen(); |
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121 | break; |
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122 | |
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123 | case 4: |
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124 | |
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125 | theElement = man->FindOrBuildElement("Be"); |
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126 | theMaterial = man->FindOrBuildMaterial("G4_Be"); |
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127 | g4Xrad = theMaterial->GetRadlen(); |
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128 | break; |
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129 | |
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130 | case 6: |
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131 | |
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132 | theElement = man->FindOrBuildElement("C"); |
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133 | theMaterial = man->FindOrBuildMaterial("G4_C"); |
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134 | g4Xrad = theMaterial->GetRadlen(); |
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135 | expXrad = 19.6*cm; |
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136 | break; |
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137 | |
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138 | case 7: |
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139 | |
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140 | theElement = man->FindOrBuildElement("N"); |
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141 | theMaterial = man->FindOrBuildMaterial("G4_N"); |
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142 | g4Xrad = theMaterial->GetRadlen(); |
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143 | break; |
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144 | |
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145 | |
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146 | case 8: |
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147 | |
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148 | theElement = man->FindOrBuildElement("O"); |
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149 | theMaterial = man->FindOrBuildMaterial("G4_O"); |
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150 | g4Xrad = theMaterial->GetRadlen(); |
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151 | break; |
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152 | |
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153 | case 13: |
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154 | |
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155 | theElement = man->FindOrBuildElement("Al"); |
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156 | theMaterial = man->FindOrBuildMaterial("G4_Al"); |
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157 | g4Xrad = theMaterial->GetRadlen(); |
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158 | expXrad = 8.9*cm; |
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159 | break; |
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160 | |
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161 | case 14: |
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162 | |
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163 | theElement = man->FindOrBuildElement("Si"); |
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164 | theMaterial = man->FindOrBuildMaterial("G4_Si"); |
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165 | g4Xrad = theMaterial->GetRadlen(); |
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166 | break; |
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167 | |
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168 | case 18: |
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169 | |
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170 | theElement = man->FindOrBuildElement("Ar"); |
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171 | theMaterial = man->FindOrBuildMaterial("G4_Ar"); |
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172 | break; |
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173 | |
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174 | case 26: |
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175 | |
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176 | theElement = man->FindOrBuildElement("Fe"); |
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177 | theMaterial = man->FindOrBuildMaterial("G4_Fe"); |
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178 | g4Xrad = theMaterial->GetRadlen(); |
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179 | expXrad = 1.76*cm; |
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180 | break; |
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181 | |
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182 | case 29: |
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183 | |
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184 | theElement = man->FindOrBuildElement("Cu"); |
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185 | theMaterial = man->FindOrBuildMaterial("G4_Cu"); |
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186 | g4Xrad = theMaterial->GetRadlen(); |
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187 | break; |
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188 | |
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189 | case 48: |
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190 | |
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191 | theElement = man->FindOrBuildElement("Cd"); |
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192 | theMaterial = man->FindOrBuildMaterial("G4_Cd"); |
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193 | g4Xrad = theMaterial->GetRadlen(); |
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194 | break; |
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195 | |
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196 | |
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197 | case 54: |
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198 | |
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199 | theElement = man->FindOrBuildElement("Xe"); |
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200 | theMaterial = man->FindOrBuildMaterial("G4_Xe"); |
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201 | g4Xrad = theMaterial->GetRadlen(); |
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202 | break; |
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203 | |
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204 | |
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205 | case 74: |
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206 | |
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207 | theElement = man->FindOrBuildElement("W"); |
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208 | theMaterial = man->FindOrBuildMaterial("G4_W"); |
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209 | g4Xrad = theMaterial->GetRadlen(); |
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210 | expXrad = 0.35*cm; |
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211 | break; |
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212 | |
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213 | case 77: |
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214 | |
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215 | theElement = man->FindOrBuildElement("Ir"); |
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216 | theMaterial = man->FindOrBuildMaterial("G4_Ir"); |
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217 | g4Xrad = theMaterial->GetRadlen(); |
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218 | break; |
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219 | |
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220 | case 82: |
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221 | |
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222 | theElement = man->FindOrBuildElement("Pb"); |
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223 | theMaterial = man->FindOrBuildMaterial("G4_Pb"); |
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224 | g4Xrad = theMaterial->GetRadlen(); |
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225 | expXrad = 0.56*cm; |
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226 | break; |
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227 | |
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228 | case 92: |
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229 | |
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230 | theElement = man->FindOrBuildElement("U"); |
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231 | theMaterial = man->FindOrBuildMaterial("G4_U"); |
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232 | g4Xrad = theMaterial->GetRadlen(); |
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233 | expXrad = 0.35*cm; |
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234 | break; |
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235 | } |
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236 | |
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237 | // Particle definition |
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238 | |
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239 | |
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240 | G4cout << " 0 gamma" << G4endl; |
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241 | G4cout << " 1 electron" << G4endl; |
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242 | G4cout << " 2 proton" << G4endl; |
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243 | G4cout << " 3 pion+" << G4endl; |
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244 | G4cout << " 4 pion-" << G4endl; |
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245 | G4cout << " 4 muon+" << G4endl; |
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246 | G4cout << " 5 muon-" << G4endl; |
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247 | |
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248 | // G4cin >> choice; |
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249 | choice = 0; |
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250 | |
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251 | G4ParticleDefinition* theParticleDefinition; |
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252 | |
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253 | |
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254 | switch (choice) |
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255 | { |
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256 | case 0: |
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257 | |
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258 | theParticleDefinition = G4Gamma::GammaDefinition(); |
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259 | break; |
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260 | |
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261 | case 1: |
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262 | |
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263 | theParticleDefinition = G4Electron::ElectronDefinition(); |
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264 | break; |
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265 | |
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266 | case 2: |
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267 | |
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268 | theParticleDefinition = G4Proton::ProtonDefinition(); |
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269 | break; |
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270 | |
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271 | case 3: |
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272 | |
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273 | theParticleDefinition = G4PionPlus::PionPlusDefinition(); |
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274 | break; |
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275 | |
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276 | case 4: |
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277 | |
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278 | theParticleDefinition = G4PionMinus::PionMinusDefinition(); |
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279 | break; |
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280 | |
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281 | case 5: |
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282 | |
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283 | theParticleDefinition = G4MuonPlus::MuonPlusDefinition(); |
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284 | break; |
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285 | |
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286 | case 6: |
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287 | |
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288 | theParticleDefinition = G4MuonMinus::MuonMinusDefinition(); |
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289 | break; |
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290 | |
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291 | } |
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292 | |
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293 | G4double energyMscXR, xsc, kinEnergy; |
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294 | |
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295 | |
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296 | // kinEnergy = 8*GeV; // 25.0*GeV; |
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297 | |
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298 | kinEnergy = 25.0*GeV; |
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299 | |
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300 | // G4VEmModel* comp = new G4KleinNishinaCompton(); |
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301 | G4VEmModel* comp = new G4HeatedKleinNishinaCompton(); |
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302 | G4VEmModel* photo = new G4PEEffectModel(); |
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303 | |
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304 | |
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305 | G4DynamicParticle* theDynamicParticle = new G4DynamicParticle(theParticleDefinition, |
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306 | G4ParticleMomentum(0.,0.,1.), |
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307 | kinEnergy); |
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308 | |
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309 | G4double m1 = theParticleDefinition->GetPDGMass(); |
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310 | G4double plab = theDynamicParticle->GetTotalMomentum(); |
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311 | G4cout <<"lab momentum, plab = "<<plab/GeV<<" GeV"<<G4endl; |
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312 | G4double plabLowLimit = 20.0*MeV; |
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313 | |
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314 | G4int Z = G4int(theElement->GetZ()); |
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315 | G4int A = G4int(theElement->GetN()+0.5); |
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316 | |
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317 | G4double step = 4.10*mm; |
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318 | |
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319 | step = expXrad; |
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320 | |
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321 | G4double m2 = man->GetAtomicMassAmu(Z)*GeV; |
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322 | // G4double m2 = man->GetAtomicMass( Z, A); |
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323 | G4cout <<" target mass, m2 = "<<m2/GeV<<" GeV"<<G4endl<<G4endl; |
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324 | G4cout <<"step = "<<step<<" mm; g4Xrad = "<<g4Xrad<<" mm; expXrad = " |
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325 | <<expXrad<<" mm"<<G4endl<<G4endl; |
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326 | |
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327 | |
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328 | |
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329 | iMax = 130; |
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330 | |
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331 | writef<<iMax<<G4endl; |
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332 | |
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333 | for( i = 0; i < iMax; i++ ) |
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334 | { |
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335 | energyMscXR = std::exp(i*0.2)*0.001*keV; |
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336 | //xsc = comp->ComputeCrossSectionPerAtom(theParticleDefinition,energyMscXR,G4double(Z ) ); |
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337 | xsc = photo->ComputeCrossSectionPerAtom(theParticleDefinition,energyMscXR,G4double(Z ) ); |
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338 | G4cout<<energyMscXR/MeV<<"\t\t"<<xsc/barn<<G4endl; |
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339 | writef<<energyMscXR/MeV<<"\t\t"<<xsc/barn<<G4endl; |
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340 | } |
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341 | |
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342 | |
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343 | |
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344 | |
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345 | |
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346 | return 1; |
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347 | } // end of main |
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